package com.zzyl.nursing.service.impl;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.http.HttpUtil;
import cn.hutool.json.JSONObject;
import cn.hutool.json.JSONUtil;
import com.zzyl.nursing.service.WechatService;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Service;
import java.util.HashMap;
import java.util.Map;

@Service
public class WechatServiceImpl implements WechatService {


    // 登录
    private static final String REQUEST_URL = "https://api.weixin.qq.com/sns/jscode2session?grant_type=authorization_code";

    // 获取token
    private static final String TOKEN_URL = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential";

    // 获取手机号
    private static final String PHONE_REQUEST_URL = "https://api.weixin.qq.com/wxa/business/getuserphonenumber?access_token=";


    @Value("${wechat.appId}")
    private String appid;

    @Value("${wechat.appSecret}")
    private String secret;


    /**
     * 获取openid
     * @param code
     * @return
     */
    @Override
    public String getOpenid(String code) {
        Map<String, Object> paramMap = getAppConfig();
        paramMap.put("js_code",code);
        String result = HttpUtil.get(REQUEST_URL,paramMap);
        JSONObject jsonObject = JSONUtil.parseObj(result);
        String openId = jsonObject.getStr("openId");
        return openId;
    }

    /**
     * 封装公共参数
     * @return
     */
    private Map<String, Object> getAppConfig() {
        Map<String, Object> paramMap = new HashMap<>();
        paramMap.put("appid",appid);
        paramMap.put("secret",secret);
        return paramMap;
    }

    /**
     * 获取手机号
     * @param detailCode
     * @return
     */
    @Override
    public String getPhone(String detailCode) {
        String token = getToken();
        String url = PHONE_REQUEST_URL+token;
    Map<String,Object> param = getAppConfig();
    param.put("code",detailCode);
    String result = HttpUtil.post(url,JSONUtil.toJsonStr(param));
    JSONObject jsonObject = JSONUtil.parseObj(result);
        return jsonObject.getJSONObject("phone_info").getStr("phoneNumber");



    }

    /**
     * 获取token
     * @return
     */
    private String getToken() {
        Map<String,Object> param = getAppConfig();
        String result = HttpUtil.get(TOKEN_URL,param);
        JSONObject jsonObject = JSONUtil.parseObj(result);

        String token = jsonObject.getStr("access_token");
        return token;
    }
}